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Input
Calibration -
Calibration
Set Up and Wiring for PV Inputs
Release M
DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual
187
April 2017
RTD (Resistance Thermometer Device) inputs
Refer to Figure 7-6 and wire the recorder according to the procedure given in Table 7-9.
Table 7-9 Set up wiring procedure for RTD inputs
Step
Action
1
Connect the copper wire to the calibration source (see Figure 7-6).
2
Connect the other end of the copper wire to the clamp type terminals in the plug for the
applicable input connector (J2).
3
Reinstall the plug into the input connector (J2) on the applicable circuit board for input 1 or
input 2.
#2 #1
22092
+
_
Copper wires
Decade box
Plug J2
MA
W1
Be sure W1/MA
jumper is in position
W1 on the input board.
T/C
RTD
Be sure W3 jumper
is in position RTD
on the input board.
Figure 7-6 Calibration set up diagram for RTD inputs